<?php

/**
 * Application level Controller
 *
 * This file is application-wide controller file. You can put all
 * application-wide controller-related methods here.
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @package       app.Controller
 * @since         CakePHP(tm) v 0.2.9
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
App::uses('Controller', 'Controller');

/**
 * Application Controller
 *
 * Add your application-wide methods in the class below, your controllers
 * will inherit them.
 *
 * @package		app.Controller
 * @link		http://book.cakephp.org/2.0/en/controllers.html#the-app-controller
 */
class AppController extends Controller {

    public $components = array('DebugKit.Toolbar', 'Session', 'RequestHandler', 'Usermgmt.UserAuth', 'Cookie');
    public $helpers = array('Form', 'Html', 'Session', 'Js', 'Usermgmt.UserAuth');

    function beforeFilter() {
        $this->userAuth();
        $this->_setLanguage();
    }

    private function userAuth() {
        $this->UserAuth->beforeFilter($this);
    }

    public function redirect($url, $status = NULL, $exit = true) {
        if (is_array($url)) {
            if (!isset($url['language']) && $this->Session->check('Config.language')) {
                $url['language'] = $this->Session->read('Config.language');
            }
        }
        parent::redirect($url, $status, $exit);
    }

    private function _setLanguage() {
        //if the cookie was previously set, and Config.language has not been set
        //write the Config.language with the value from the Cookie
        if ($this->Cookie->read('lang') && !$this->Session->check('Config.language')) {
            $this->Session->write('Config.language', $this->Cookie->read('lang'));
        }
        //if the user clicked the language URL 
        else if (isset($this->params['language']) &&
                ($this->params['language'] != $this->Session->read('Config.language'))
        ) {
            //then update the value in Session and the one in Cookie
            $this->Session->write('Config.language', $this->params['language']);
            $this->Cookie->write('lang', $this->params['language'], false, '20 days');
        }
    }

}
